Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 GMC Jimmy 2D Utility, Part Time, AutomaticFACTORY OEM SERVICE PROCEDURE
Passlock Learn Procedures
After the BCM has been replaced and reprogrammed, the powertrain control module (PCM) must learn the new fuel continue password. Refer to Programming Theft Deterrent System Components for the appropriate learn procedure.
IMPORTANT:
After programming, perform the following to avoid future misdiagnosis:
- Turn OFF the ignition for 10 seconds.
- Connect the scan tool to the data link connector (DLC).
- Turn ON the ignition, with the engine OFF.
- Retrieve history DTCs from all modules with the scan tool.
- Clear all history DTCs with the scan tool.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.